May weather forecast
Lake Catherine, IL

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Weather in May

May, the last month of the spring in Lake Catherine, is a comfortable month, with an average temperature ranging between min 48.7°F (9.3°C) and max 65.1°F (18.4°C).

Temperature

Lake Catherine in May sees a temperature change, with average high-temperatures moving from a fresh 53.2°F (11.8°C) in April to an enjoyable 65.1°F (18.4°C). An average temperature of 48.7°F (9.3°C) marks the nights in May.

Humidity

In May, the average relative humidity in Lake Catherine is 80%.

Rainfall

In Lake Catherine, Illinois, in May, it is raining for 17.1 days, with typically 3.03" (77mm) of accumulated precipitation. Throughout the year, in Lake Catherine, there are 139.6 rainfall days, and 26.18" (665mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Lake Catherine are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Lake Catherine aggregates 0.08" (2mm) of snow. In Lake Catherine, during the entire year, snow falls for 38.2 days and aggregates up to 15.59" (396mm) of snow.

Daylight

In May, the average length of the day in Lake Catherine is 14h and 38min.
On the first day of May, sunrise is at 5:46 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:22 pm CDT.

Sunshine

In Lake Catherine, the average sunshine in May is 8.3h.

UV index

The months with the highest UV index in Lake Catherine are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 5 in May translates into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

What is the usual temperature for Lake Catherine in May?

The high-temperature in Lake Catherine during May is 65.1°F (18.4°C) and the low-temperature is 48.7°F (9.3°C).

What is the average humidity in May in Lake Catherine?

The average relative humidity in May in Lake Catherine is 80%.

How much does it rain in Lake Catherine in May?

In Lake Catherine, Illinois, in May, it is raining for 17.1 days, with typically 3.03" (77mm) of accumulated precipitation.

What is the last month it snows in Lake Catherine?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Lake Catherine aggregates 0.08" (2mm) of snow.

What is the average length of the day in May in Lake Catherine?

In May, the average day length in Lake Catherine is 14h and 38min.

What time are sunrise and sunset in May in Lake Catherine?

In May, on the first day of the month, sunrise is at 5:46 am and sunset at 7:52 pm. On the last day of the month, in Lake Catherine, sunrise is at 5:17 am and sunset at 8:22 pm CDT.

How many hours of sunshine does Lake Catherine have in May?

In May, the average sunshine duration in Lake Catherine is 8.3h.

What is the month with the highest UV index in Lake Catherine?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

What is the UV index intensity in May in Lake Catherine?

In Lake Catherine, Illinois, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Lake Catherine, IL

Average temperature in May - Lake Catherine, IL
  • Average high temperature in May: 65.1°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

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Average pressure in May
Lake Catherine, IL

Average pressure in May - Lake Catherine, IL
  • Average pressure in May: 29.96"Hg

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Lake Catherine, IL

Average wind speed in May - Lake Catherine, IL
  • Average wind speed in May: 8.5mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in May
Lake Catherine, IL

Average humidity in May - Lake Catherine, IL
  • Average humidity in May: 80%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in May
Lake Catherine, IL

Average rainfall in May - Lake Catherine, IL
  • Average rainfall in May: 3.03"

The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is December (1.06").

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Average rainfall days in May
Lake Catherine, IL

Average rainfall days in May - Lake Catherine, IL
  • Average rainfall days in May: 17.1 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (3.4 days).

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Average snowfall in May
Lake Catherine, IL

Average snowfall in May - Lake Catherine, IL
  • Average snowfall in May: 0.08"

The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Lake Catherine, IL

Average snowfall days in May - Lake Catherine, IL
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Lake Catherine, IL

Average daylight in May / Average sunshine in May - Lake Catherine, IL
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 2min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).

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Average sunshine days in May
Lake Catherine, IL

Average sunshine days in May - Lake Catherine, IL
  • Average sunshine days in May: 11.1 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in May
Lake Catherine, IL

Average UV index in May - Lake Catherine, IL
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in May
Lake Catherine, IL

Average cloud cover in May - Lake Catherine, IL
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July, August and September (Cloud cover 32).

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Average visibility in May
Lake Catherine, IL

Average visibility in May - Lake Catherine, IL
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Lake Catherine, Illinois, USA

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